HEIDENHAIN TNC 620 (81760x-18) User manual

TNC620

User'sManual

KlartextProgramming

NC Software

81760x-18

English (en)

10/2023

Controls and displays

Keys

If you are using a TNC620 with touch control, you can

replace some keystrokes with gestures.

Further information: "Operating the Touchscreen",

Page 551

Keys on the screen

Key Function

Select screen layout

Toggle the display between machine

operating mode, programming

mode, and a third desktop

Soft keys for selecting functions on

screen

Switch the soft-key rows

Machine operating modes

Key Function

Manual operation

Electronic handwheel

Positioning with Manual Data Input

Program Run, Single Block

Program Run, Full Sequence

Programming modes

Key Function

Programming

Test Run

Entering and editing coordinate

axes and numbers

Key Function

. . .

Select the coordinate axes or enter

them in the NC program

. . .

Numbers

Decimal separator / Reverse

algebraic sign

Polar coordinate entry /

Incremental values

Q parameter programming /

Q parameter status

Capture actual position

NO

ENT

Skip dialog questions, delete words

Confirm entry and resume dialog

Conclude the NC block, end your

input

Clear entries or error message

Abort dialog, delete program section

Tool functions

Key Function

Define tool data in the NC program

Call tool data

2HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023

Controls and displays

Managing NC programs and files,

control functions

Key Function

Select or delete NC programs or

files, external data transfer

Define program call, select datum

and point tables

Select MOD functions

Display help text for NC error

messages, call TNCguide

Display all current error messages

Show calculator

Show special functions

Currently not assigned

Navigation keys

Key Function

Position the cursor

Go directly to NC blocks, cycles, and

parameter functions

Navigate to the beginning of a

program or table

Navigate to the end of the program

or table row

Navigate up one page

Navigate down one page

Select the next tab in forms

Up/down one dialog box or button

Cycles, subprograms, and

program-section repeats

Programming path contours

Key Function

Contour approach and departure

FK free contour programming

Straight line

Circle center/pole for polar coordi-

nates

Circular arc with center

Circular arc with radius

Circular arc with tangential transition

Chamfer/rounding arc

Potentiometer for feed rate

and spindle speed

Feed rate Spindle speed

HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023 3

Table of contents

4HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023

Table of contents

1 Basic Information................................................................................................................... 29

2 First Steps............................................................................................................................. 43

3 Fundamentals........................................................................................................................ 59

4 Tools...................................................................................................................................... 117

5 Programming Contours.......................................................................................................... 135

6 Programming Aids................................................................................................................. 189

7 Miscellaneous Functions........................................................................................................ 223

8 Subprograms and Program Section Repeats.......................................................................... 243

9 Programming QParameters................................................................................................... 267

10 Special Functions................................................................................................................... 363

11 Multiple-axis Machining......................................................................................................... 441

12 Data Transfer from CAD Files................................................................................................ 507

13 Pallets.................................................................................................................................... 533

14 Operating the Touchscreen.................................................................................................... 551

15 Tables and Overviews............................................................................................................ 565

HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023 5

Table of contents

6HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023

Table of contents

1 Basic Information................................................................................................................... 29

1.1 About this manual...................................................................................................................... 30

1.2 Control model, software and features........................................................................................ 32

Software options.................................................................................................................................................... 34

New functions 81760x-18................................................................................................................................... 38

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Table of contents

2 First Steps............................................................................................................................. 43

2.1 Overview..................................................................................................................................... 44

2.2 Switching on the machine.......................................................................................................... 45

Acknowledging the power interruption............................................................................................................. 45

2.3 Programming the first part......................................................................................................... 46

Selecting the operating mode............................................................................................................................ 46

Important controls and displays........................................................................................................................ 46

Creating a new NC program / file management............................................................................................ 47

Defining a workpiece blank................................................................................................................................. 48

Program layout....................................................................................................................................................... 49

Programming a simple contour......................................................................................................................... 50

Creating a cycle program.................................................................................................................................... 55

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Table of contents

3 Fundamentals........................................................................................................................ 59

3.1 The TNC620.............................................................................................................................. 60

HEIDENHAIN Klartext and ISO........................................................................................................................... 60

Compatibility........................................................................................................................................................... 60

3.2 Visual display unit and operating panel...................................................................................... 61

Display screen........................................................................................................................................................ 61

Setting the screen layout..................................................................................................................................... 62

Operating panel...................................................................................................................................................... 63

3.3 Modes of operation.................................................................................................................... 66

Manual Operation and El. Handwheel............................................................................................................... 66

Positioning with Manual Data Input.................................................................................................................. 66

Programming.......................................................................................................................................................... 67

Test Run.................................................................................................................................................................. 67

Program Run, Full Sequence and Program Run, SingleBlock..................................................................... 68

3.4 NC fundamentals........................................................................................................................ 69

Position encoders and reference marks.......................................................................................................... 69

Programmable axes.............................................................................................................................................. 69

Reference systems................................................................................................................................................ 70

Designation of the axes on milling machines................................................................................................. 81

Polar coordinates................................................................................................................................................... 81

Absolute and incremental workpiece positions.............................................................................................. 82

Selecting the preset.............................................................................................................................................. 83

3.5 Creating and entering NC programs........................................................................................... 84

Structure of an NC program in HEIDENHAIN Klartext.................................................................................. 84

Defining the workpiece blank: BLK FORM....................................................................................................... 85

Creating a new NC program............................................................................................................................... 90

Programming tool movements in Klartext...................................................................................................... 92

Actual position capture........................................................................................................................................ 94

Editing an NC program........................................................................................................................................ 95

The control's search function............................................................................................................................. 99

3.6 File management........................................................................................................................ 101

Files........................................................................................................................................................................... 101

Displaying externally generated files on the control...................................................................................... 103

Directories............................................................................................................................................................... 103

Paths......................................................................................................................................................................... 103

Overview: Functions of the file manager......................................................................................................... 104

Calling the File Manager...................................................................................................................................... 105

Selecting drives, directories and files............................................................................................................... 106

Creating a new directory...................................................................................................................................... 108

Creating new file.................................................................................................................................................... 108

Copying a single file.............................................................................................................................................. 108

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Copying files into another directory.................................................................................................................. 109

Copying a table...................................................................................................................................................... 110

Copying a directory............................................................................................................................................... 111

Choosing one of the last files selected............................................................................................................ 111

Deleting a file.......................................................................................................................................................... 112

Deleting a directory............................................................................................................................................... 112

Tagging files........................................................................................................................................................... 113

Renaming a file...................................................................................................................................................... 114

Sorting files............................................................................................................................................................. 114

Additional functions.............................................................................................................................................. 115

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4 Tools...................................................................................................................................... 117

4.1 Entering tool-related data........................................................................................................... 118

Feed rate F.............................................................................................................................................................. 118

Spindle speed S..................................................................................................................................................... 119

4.2 Tool data.................................................................................................................................... 120

Requirements for tool compensation............................................................................................................... 120

Tool number, tool name...................................................................................................................................... 120

Tool length L........................................................................................................................................................... 121

Tool radius R.......................................................................................................................................................... 123

Delta values for lengths and radii...................................................................................................................... 123

Entering tool data into the NC program........................................................................................................... 124

Calling the tool data.............................................................................................................................................. 125

Tool change............................................................................................................................................................ 127

4.3 Tool compensation..................................................................................................................... 130

Introduction............................................................................................................................................................. 130

Tool length compensation................................................................................................................................... 130

Tool radius compensation................................................................................................................................... 131

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Table of contents

5 Programming Contours.......................................................................................................... 135

5.1 Tool movements......................................................................................................................... 136

Path functions........................................................................................................................................................ 136

FK free contour programming (option 19)...................................................................................................... 136

Miscellaneous functions M................................................................................................................................. 136

Subprograms and program section repeats................................................................................................... 137

Programming with Q parameters...................................................................................................................... 137

5.2 Fundamentals of path functions................................................................................................. 138

Programming tool movements for machining............................................................................................... 138

5.3 Approaching and departing a contour........................................................................................ 142

Starting point and end point............................................................................................................................... 142

Overview: Types of paths for contour approach and departure................................................................. 144

Important positions for approach and departure........................................................................................... 145

Approaching on a straight line with tangential connection: APPR LT........................................................ 147

Approaching on a straight line perpendicular to the first contour point: APPR LN.................................. 147

Approaching on a circular path with tangential connection: APPR CT...................................................... 148

Approaching on a circular path with tangential connection from a straight line to the contour:

APPR LCT................................................................................................................................................................ 149

Departing in a straight line with tangential connection: DEP LT................................................................. 150

Departing in a straight line perpendicular to the last contour point: DEP LN........................................... 150

Departing on a circular path with tangential connection: DEP CT.............................................................. 151

Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT............. 151

5.4 Path contours — Cartesian coordinates...................................................................................... 152

Overview of path functions................................................................................................................................. 152

Straight line L......................................................................................................................................................... 153

Inserting a chamfer between two straight lines............................................................................................. 154

Rounded corners RND.......................................................................................................................................... 155

Circle center CC..................................................................................................................................................... 156

Circular arc C around circle center CC............................................................................................................. 157

Circular arc CR with fixed radius....................................................................................................................... 159

Circular arc CT with tangential transition........................................................................................................ 161

Superimposing a linear motion on a circular contour................................................................................... 162

Example: Linear movements and chamfers with Cartesian coordinates.................................................. 163

Example: Circular movements with Cartesian coordinates......................................................................... 164

Example: Full circle with Cartesian coordinates............................................................................................. 165

5.5 Path contours – Polar coordinates............................................................................................. 166

Overview................................................................................................................................................................... 166

Datum for polar coordinates: pole CC.............................................................................................................. 167

Straight line LP....................................................................................................................................................... 167

Circular path CP around pole CC....................................................................................................................... 168

Circle CTP with tangential connection............................................................................................................. 168

Helix.......................................................................................................................................................................... 169

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Example: Linear movement with polar coordinates...................................................................................... 171

Example: Helix........................................................................................................................................................ 172

5.6 Path contours – FK free contour programming (option 19)........................................................ 173

Fundamentals......................................................................................................................................................... 173

Defining the working plane.................................................................................................................................. 174

FK programming graphics................................................................................................................................... 175

Initiating the FK dialog......................................................................................................................................... 176

Pole for FK programming.................................................................................................................................... 176

Free straight line programming.......................................................................................................................... 177

Free circular path programming........................................................................................................................ 178

Input possibilities................................................................................................................................................... 179

Auxiliary points....................................................................................................................................................... 182

Relative data........................................................................................................................................................... 183

Example: FK programming 1.............................................................................................................................. 185

Example: FK programming 2.............................................................................................................................. 186

Example: FK programming 3.............................................................................................................................. 187

HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023 13

Table of contents

6 Programming Aids................................................................................................................. 189

6.1 GOTO function............................................................................................................................ 190

Using the GOTO key............................................................................................................................................. 190

6.2 Screen keypad............................................................................................................................ 191

Entering text with the screen keypad............................................................................................................... 191

6.3 Display of NC programs............................................................................................................. 192

Syntax highlighting................................................................................................................................................ 192

Scrollbar................................................................................................................................................................... 192

6.4 Adding comments...................................................................................................................... 193

Application............................................................................................................................................................... 193

Entering comments during programming........................................................................................................ 193

Inserting comments after program entry........................................................................................................ 193

Entering a comment in a separate NC block.................................................................................................. 193

Commenting out an existing NC block............................................................................................................ 193

Functions for editing a comment...................................................................................................................... 194

6.5 Freely editing an NC program..................................................................................................... 195

6.6 Skipping NC blocks.................................................................................................................... 196

Insert a slash (/).................................................................................................................................................... 196

Delete the slash (/)................................................................................................................................................ 196

6.7 Structuring NC programs............................................................................................................ 197

Definition and applications.................................................................................................................................. 197

Displaying the program structure window / Changing the active window................................................ 197

Inserting a structure block in the program window....................................................................................... 198

Selecting blocks in the program structure window....................................................................................... 198

6.8 Calculator................................................................................................................................... 199

Operation................................................................................................................................................................. 199

6.9 Cutting data calculator............................................................................................................... 202

Application............................................................................................................................................................... 202

Working with cutting data tables....................................................................................................................... 203

6.10 Programming graphics............................................................................................................... 206

Activating and deactivating programming graphics...................................................................................... 206

Generating a graphic for an existing NC program......................................................................................... 207

Block number display ON/OFF........................................................................................................................... 207

Erasing the graphic............................................................................................................................................... 207

Showing grid lines................................................................................................................................................. 207

Magnification or reduction of details................................................................................................................ 208

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Table of contents

6.11 Error messages.......................................................................................................................... 209

Display of errors.................................................................................................................................................... 209

Opening the error window................................................................................................................................... 209

Detailed error messages...................................................................................................................................... 210

INTERNAL INFO soft key..................................................................................................................................... 210

GROUPING soft key.............................................................................................................................................. 211

ACTIVATE AUTOMATIC SAVING soft key........................................................................................................ 211

Deleting errors........................................................................................................................................................ 212

Error log................................................................................................................................................................... 213

Keystroke log.......................................................................................................................................................... 214

Informational texts................................................................................................................................................ 215

Saving service files................................................................................................................................................ 215

Closing the error window..................................................................................................................................... 215

6.12 TNCguide: context-sensitive help............................................................................................... 216

Application............................................................................................................................................................... 216

Using TNCguide..................................................................................................................................................... 217

Downloading current help files........................................................................................................................... 220

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Table of contents

7 Miscellaneous Functions........................................................................................................ 223

7.1 Entering miscellaneous functions M and STOP.......................................................................... 224

Fundamentals......................................................................................................................................................... 224

7.2 Miscellaneous functions for program run inspection, spindle and coolant.................................. 225

Overview................................................................................................................................................................... 225

7.3 Miscellaneous functions for coordinate entries.......................................................................... 226

Programming machine-referenced coordinates: M91/M92......................................................................... 226

Moving to positions in a non-tilted input coordinate system with a tilted working plane: M130.......... 228

7.4 Miscellaneous functions for path behavior................................................................................. 229

Machining small contour steps: M97............................................................................................................... 229

Machining open contour corners: M98............................................................................................................ 230

Feed rate factor for plunging movements: M103.......................................................................................... 231

Feed rate in millimeters per spindle revolution: M136.................................................................................. 232

Feed rate for circular arcs: M109/M110/M111.............................................................................................. 233

Pre-calculating radius-compensated contours (LOOKAHEAD): M120 (option 21)................................. 234

Superimposing handwheel positioning during program run: M118 (option 21)...................................... 236

Retraction from the contour in the tool-axis direction: M140...................................................................... 237

Suppressing touch probe monitoring: M141................................................................................................... 239

Deleting basic rotation: M143............................................................................................................................. 239

Lifting off the tool automatically from the contour at NC stop: M148...................................................... 240

Rounding corners: M197...................................................................................................................................... 241

16 HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023

Table of contents

8 Subprograms and Program Section Repeats.......................................................................... 243

8.1 Labeling subprograms and program section repeats.................................................................. 244

Label......................................................................................................................................................................... 244

8.2 Subprograms.............................................................................................................................. 245

Operating sequence.............................................................................................................................................. 245

Programming notes.............................................................................................................................................. 245

Programming the subprogram........................................................................................................................... 245

Calling a subprogram........................................................................................................................................... 246

8.3 Program-section repeats............................................................................................................ 247

Label......................................................................................................................................................................... 247

Operating sequence.............................................................................................................................................. 247

Programming notes.............................................................................................................................................. 247

Programming a program section repeat.......................................................................................................... 248

Calling a program section repeat...................................................................................................................... 248

8.4 Calling an external NC program................................................................................................. 249

Overview of the soft keys.................................................................................................................................... 249

Operating sequence.............................................................................................................................................. 250

Programming notes.............................................................................................................................................. 250

Calling an external NC program......................................................................................................................... 252

8.5 Point tables................................................................................................................................ 254

Creating a point table........................................................................................................................................... 254

Hiding single points for the machining process............................................................................................. 255

Selecting a point table in the NC program...................................................................................................... 256

Using point tables.................................................................................................................................................. 257

Definition.................................................................................................................................................................. 257

8.6 Nesting....................................................................................................................................... 258

Types of nesting.................................................................................................................................................... 258

Nesting depth......................................................................................................................................................... 258

Subprogram within a subprogram.................................................................................................................... 259

Repeating program section repeats.................................................................................................................. 260

Repeating a subprogram..................................................................................................................................... 261

8.7 Programming examples.............................................................................................................. 262

Example: Milling a contour in several infeeds................................................................................................. 262

Example: Groups of holes................................................................................................................................... 263

Example: Group of holes with multiple tools.................................................................................................. 264

HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023 17

Table of contents

9 Programming QParameters................................................................................................... 267

9.1 Principle and overview of functions........................................................................................... 268

Q parameter types................................................................................................................................................. 269

Programming notes.............................................................................................................................................. 271

Calling Q parameter functions............................................................................................................................ 272

9.2 Part families—Q parameters in place of numerical values.......................................................... 273

Application............................................................................................................................................................... 273

9.3 Describing contours with mathematical functions...................................................................... 274

Application............................................................................................................................................................... 274

Overview................................................................................................................................................................... 275

Programming fundamental operations............................................................................................................ 276

9.4 Trigonometric functions............................................................................................................. 278

Definitions................................................................................................................................................................ 278

Programming trigonometric functions............................................................................................................. 278

9.5 Calculation of circles.................................................................................................................. 280

Application............................................................................................................................................................... 280

9.6 If-then decisions with Q parameters........................................................................................... 281

Application............................................................................................................................................................... 281

Abbreviations used................................................................................................................................................ 281

Jump conditions.................................................................................................................................................... 282

Programming if-then decisions.......................................................................................................................... 283

9.7 Entering formulas directly.......................................................................................................... 284

Entering formulas.................................................................................................................................................. 284

Calculation rules.................................................................................................................................................... 284

Overview................................................................................................................................................................... 286

Example: Trigonometric function....................................................................................................................... 288

9.8 Checking and changing Q parameters........................................................................................ 289

Procedure................................................................................................................................................................ 289

9.9 Additional functions................................................................................................................... 291

Overview................................................................................................................................................................... 291

FN 14: ERROR output of error messages........................................................................................................ 292

FN 16: F-PRINT – Formatted output of text and Qparameter values....................................................... 298

FN 18: SYSREAD – Reading system data....................................................................................................... 308

FN 19: PLC transferring values to PLC............................................................................................................. 308

FN 20: WAIT FOR NC and PLC synchronization............................................................................................ 309

FN 29: PLC transferring values to the PLC...................................................................................................... 310

FN 37: EXPORT...................................................................................................................................................... 310

FN 38: SEND – Send information from the NC program............................................................................. 311

18 HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023

Table of contents

9.10 String parameters....................................................................................................................... 313

String processing functions................................................................................................................................ 313

Assigning string parameters............................................................................................................................... 314

Chain-linking string parameters......................................................................................................................... 315

Converting a numerical value to a string parameter..................................................................................... 316

Copying a substring from a string parameter................................................................................................ 317

Reading system data............................................................................................................................................ 318

Converting a string parameter to a numerical value..................................................................................... 319

Testing a string parameter.................................................................................................................................. 320

Determining the length of a string parameter................................................................................................ 321

Comparing the lexical order of two alphanumerical strings........................................................................ 322

Reading out machine parameters..................................................................................................................... 323

9.11 Preassigned Q parameters......................................................................................................... 325

Values from the PLC: Q100 to Q107................................................................................................................ 325

Active tool radius: Q108....................................................................................................................................... 325

Tool axis: Q109...................................................................................................................................................... 326

Spindle status: Q110............................................................................................................................................. 326

Coolant on/off: Q111............................................................................................................................................ 326

Overlap factor: Q112............................................................................................................................................. 326

Unit of measure in the NC program Q113....................................................................................................... 327

Tool length: Q114.................................................................................................................................................. 327

Measurement result from programmable touch-probe cycles: Q115 to Q119........................................ 327

Qparameters Q115 and Q116 for automatic tool measurement............................................................... 328

Calculated coordinates of the rotary axes: Q120 to Q122........................................................................... 328

Measurement results from touch-probe cycles............................................................................................. 329

9.12 Accessing tables with SQL statements....................................................................................... 333

Introduction............................................................................................................................................................. 333

Programming SQL commands........................................................................................................................... 335

Overview of functions........................................................................................................................................... 336

SQL BIND................................................................................................................................................................. 337

SQL EXECUTE......................................................................................................................................................... 338

SQL FETCH............................................................................................................................................................. 343

SQL UPDATE........................................................................................................................................................... 345

SQL INSERT............................................................................................................................................................ 347

SQL COMMIT.......................................................................................................................................................... 348

SQL ROLLBACK...................................................................................................................................................... 349

SQL SELECT............................................................................................................................................................ 351

Examples................................................................................................................................................................. 353

9.13 Programming examples.............................................................................................................. 355

Example: Rounding a value................................................................................................................................. 355

Example: Ellipse..................................................................................................................................................... 356

Example: Concave cylinder machined with ball-nose cutter....................................................................... 358

Example: Convex sphere machined with end mill.......................................................................................... 360

HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023 19

Table of contents

10 Special Functions................................................................................................................... 363

10.1 Overview of special functions.................................................................................................... 364

Main menu for SPEC FCT special functions................................................................................................... 364

Program defaults menu....................................................................................................................................... 365

Functions for contour and point machining menu........................................................................................ 365

Menu for defining different Klartext functions................................................................................................ 366

10.2 Function mode............................................................................................................................ 367

Program function mode....................................................................................................................................... 367

Function Mode Set................................................................................................................................................ 367

10.3 Working with the parallel axes U,VandW.................................................................................. 368

Overview................................................................................................................................................................... 368

FUNCTION PARAXCOMP DISPLAY................................................................................................................... 370

FUNCTION PARAXCOMP MOVE........................................................................................................................ 372

Deactivating FUNCTION PARAXCOMP............................................................................................................. 374

FUNCTION PARAXMODE..................................................................................................................................... 375

Deactivating FUNCTION PARAXMODE............................................................................................................. 377

Example: Drilling with the W axis....................................................................................................................... 378

10.4 Machining with polar kinematics................................................................................................ 379

Overview................................................................................................................................................................... 379

Activating FUNCTION POLARKIN...................................................................................................................... 380

Deactivating FUNCTION POLARKIN.................................................................................................................. 383

Example: SL cycles in the polar kinematics.................................................................................................... 384

10.5 File functions.............................................................................................................................. 386

Application............................................................................................................................................................... 386

Defining file functions........................................................................................................................................... 386

OPEN FILE............................................................................................................................................................... 387

10.6 NC functions for coordinate transformations.............................................................................. 389

Overview................................................................................................................................................................... 389

Datum shift with TRANS DATUM....................................................................................................................... 389

Mirroring with TRANS MIRROR.......................................................................................................................... 392

Rotations with TRANS ROTATION.................................................................................................................... 395

Scaling with TRANS SCALE................................................................................................................................ 396

Resetting with TRANS RESET............................................................................................................................. 397

Selecting a TRANS function................................................................................................................................ 398

10.7 Modifying presets....................................................................................................................... 399

Activating a preset................................................................................................................................................ 399

Copying a preset.................................................................................................................................................... 401

Correcting a preset............................................................................................................................................... 402

20 HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 10/2023

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HEIDENHAIN TNC 620 (81760x-18) User manual

HEIDENHAIN TNC 620 (81760x-18) User manual

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